You ever get this error?

Invalid model for shipping method - and your baffled?

Simplest solution is to reinstall the shipping module you uninstalled and just disable it

#0 ...src/Mage_Shipping_Model_Config.php(104): Mage::exception('Mage_Shipping', 'Invalid model f...')
#1 ...src/Mage_Shipping_Model_Config.php(64): Mage_Shipping_Model_Config->_getCarrier('ideletedashippingmodule', Array, '1')
#2 ...src/Mage_Adminhtml_Block_Sales_Order_Invoice_Create_Tracking.php(89): Mage_Shipping_Model_Config->getAllCarriers('1')
#3 /var/www/html/mage14/app/design/adminhtml/default/default/template/sales/order/invoice/create/tracking.phtml(91): Mage_Adminhtml_Block_Sales_Order_Invoice_Create_Tracking->getCarriers()
#4 ...src/__default.php(2634): include('/var/www/html/m...')
#5 ...src/__default.php(2670): Mage_Core_Block_Template->fetchView('adminhtml/defau...')
#6 ...src/__default.php(2687): Mage_Core_Block_Template->renderView()
#7 ...src/Mage_Adminhtml_Block_Template.php(81): Mage_Core_Block_Template->_toHtml()
#8 ...src/__default.php(2074): Mage_Adminhtml_Block_Template->_toHtml()
#9 ...src/__default.php(1916): Mage_Core_Block_Abstract->toHtml()
#10 ...src/__default.php(1867): Mage_Core_Block_Abstract->_getChildHtml('tracking', false)
#11 /var/www/html/mage14/app/design/adminhtml/default/default/template/sales/order/invoice/create/form.phtml(80): Mage_Core_Block_Abstract->getChildHtml('tracking', false)
#12 ...src/__default.php(2634): include('/var/www/html/m...')
#13 ...src/__default.php(2670): Mage_Core_Block_Template->fetchView('adminhtml/defau...')
#14 ...src/__default.php(2687): Mage_Core_Block_Template->renderView()
#15 ...src/Mage_Adminhtml_Block_Template.php(81): Mage_Core_Block_Template->_toHtml()
#16 ...src/__default.php(2074): Mage_Adminhtml_Block_Template->_toHtml()
#17 ...src/__default.php(1916): Mage_Core_Block_Abstract->toHtml()
#18 ...src/__default.php(1867): Mage_Core_Block_Abstract->_getChildHtml('form', true)
#19 ...src/Mage_Adminhtml_Block_Widget_Form_Container.php(130): Mage_Core_Block_Abstract->getChildHtml('form')
#20 /var/www/html/mage14/app/design/adminhtml/default/default/template/widget/form/container.phtml(37): Mage_Adminhtml_Block_Widget_Form_Container->getFormHtml()
#21 ...src/__default.php(2634): include('/var/www/html/m...')
#22 ...src/__default.php(2670): Mage_Core_Block_Template->fetchView('adminhtml/defau...')
#23 ...src/__default.php(2687): Mage_Core_Block_Template->renderView()
#24 ...src/Mage_Adminhtml_Block_Template.php(81): Mage_Core_Block_Template->_toHtml()
#25 ...src/Mage_Adminhtml_Block_Widget_Container.php(295): Mage_Adminhtml_Block_Template->_toHtml()
#26 ...src/__default.php(2074): Mage_Adminhtml_Block_Widget_Container->_toHtml()
#27 ...src/__default.php(10830): Mage_Core_Block_Abstract->toHtml()
#28 ...src/__default.php(2074): Mage_Core_Block_Text_List->_toHtml()
#29 ...src/__default.php(1916): Mage_Core_Block_Abstract->toHtml()
#30 ...src/__default.php(1867): Mage_Core_Block_Abstract->_getChildHtml('content', true)
#31 /var/www/html/mage14/app/design/adminhtml/default/default/template/page.phtml(74): Mage_Core_Block_Abstract->getChildHtml('content')
#32 ...src/__default.php(2634): include('/var/www/html/m...')
#33 ...src/__default.php(2670): Mage_Core_Block_Template->fetchView('adminhtml/defau...')
#34 ...src/__default.php(2687): Mage_Core_Block_Template->renderView()
#35 ...src/Mage_Adminhtml_Block_Template.php(81): Mage_Core_Block_Template->_toHtml()
#36 ...src/__default.php(2074): Mage_Adminhtml_Block_Template->_toHtml()
#37 ...src/__default.php(23811): Mage_Core_Block_Abstract->toHtml()
#38 ...src/__default.php(11222): Mage_Core_Model_Layout->getOutput()
#39 /var/www/html/mage14/app/code/core/Mage/Adminhtml/controllers/Sales/Order/InvoiceController.php(265): Mage_Core_Controller_Varien_Action->renderLayout()
#40 ...src/__default.php(11251): Mage_Adminhtml_Sales_Order_InvoiceController->newAction()
#41 ...src/__default.php(15150): Mage_Core_Controller_Varien_Action->dispatch('new')
#42 ...src/__default.php(14752): Mage_Core_Controller_Varien_Router_Standard->match(Object(Mage_Core_Controller_Request_Http))
#43 ...src/__default.php(16949): Mage_Core_Controller_Varien_Front->dispatch()
#44 /var/www/html/mage14/app/Mage.php(596): Mage_Core_Model_App->run(Array)
#45 /var/www/html/mage14/index.php(78): Mage::run('', 'store')
#46 {main}